#3688C2#3688C2

#3688C2 is a mid, moderate cyan. Relative luminance 0.223; OKLCH L 60.3% C 0.118 H 243.2°. Best body text is #000000 at 5.46:1 contrast (WCAG AA passes).

Color values

HEX#3688C2
RGBrgb(54, 136, 194)
HSLhsl(205, 56%, 49%)
HSVhsv(205, 72%, 76%)
CMYKcmyk(72.2%, 29.9%, 0%, 23.9%)
CIE-LABlab(54.33, -5.45, -37.32)
CIE-LCHlch(54.33, 37.72, 261.69°)
OKLaboklab(60.33% -0.0533 -0.1056)
OKLCHoklch(60.33% 0.118 243.2)
XYZxyz(20.0593, 22.2854, 54.2728)
Luminance0.2229 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3688C2 #C27036
analogous
#36C2B6 #3688C2 #3642C2
triadic
#3688C2 #C23688 #88C236
tetradic
#3688C2 #B636C2 #C27036 #42C236
square
#3688C2 #B636C2 #C27036 #42C236
split-complementary
#3688C2 #C23642 #C2B636
monochromatic
#1B4562 #296692 #3688C2 #62A4D3 #92C0E1

Accessibility & contrast

On white

3.85
#3688C2 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.46
#3688C2 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3688C2
5.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3688C2#FFFFFF#000000##000000
##3688C21.003.855.465.46
#FFFFFF3.851.0021.0021.00
#0000005.4621.001.001.00
##0000005.4621.001.001.00

Color blindness preview

Protanopia (red-blind)
#6D89C5
Deuteranopia (green-blind)
#5A7CC1
Tritanopia (blue-blind)
#00969C
Achromatopsia (no color)
#828282

Design tokens & code

CSS
--color: #3688c2;
/* rgb */ color: rgb(54, 136, 194);
/* oklch */ color: oklch(60.3% 0.118 243.2);
Tailwind
colors: {
  custom: {
    50: '#7faad4',
    500: '#3688c2',
    950: '#000000',
  },
}
SCSS
$custom: #3688c2;
$custom-light: #7faad4;
$custom-dark: #000000;
JSON
{
  "hex": "#3688c2",
  "rgb": {
    "r": 54,
    "g": 136,
    "b": 194
  },
  "hsl": {
    "h": 204.857,
    "s": 56.452,
    "l": 48.627
  },
  "oklch": {
    "l": 0.60328,
    "c": 0.11828,
    "h": 243.2
  },
  "luminance": 0.22288
}

Semantic roles & 50–950 ramp

primary
#3688C2
secondary
#CCA488
accent
#8748E0
background
#F8FAFD
surface
#EFF4FA
border
#CACED3
text
#0B1014
muted
#7C7F83

Preview Lab

Preview with #3688C2

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →

#3688C2 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva